{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66215", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-11-24T23:01:29.678Z", "datePublished": "2026-03-30T17:06:16.996Z", "dateUpdated": "2026-03-30T17:06:16.996Z"}, "containers": {"cna": {"title": "OpenSC: Stack-buffer-overflow WRITE in card-oberthur", "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "lang": "en", "description": "CWE-121: Stack-based Buffer Overflow", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "LOW", "baseScore": 3.8, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/OpenSC/OpenSC/security/advisories/GHSA-q5fc-cw56-hwp2", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/OpenSC/OpenSC/security/advisories/GHSA-q5fc-cw56-hwp2"}, {"name": "https://github.com/OpenSC/OpenSC/pull/3436", "tags": ["x_refsource_MISC"], "url": "https://github.com/OpenSC/OpenSC/pull/3436"}, {"name": "https://github.com/OpenSC/OpenSC/commit/efd1d479832141bcf705c2f47655ada4d5f92f5d", "tags": ["x_refsource_MISC"], "url": "https://github.com/OpenSC/OpenSC/commit/efd1d479832141bcf705c2f47655ada4d5f92f5d"}, {"name": "https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66215", "tags": ["x_refsource_MISC"], "url": "https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66215"}], "affected": [{"vendor": "OpenSC", "product": "OpenSC", "versions": [{"version": "< 0.27.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-30T17:06:16.996Z"}, "descriptions": [{"lang": "en", "value": "OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow WRITE in card-oberthur. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0."}], "source": {"advisory": "GHSA-q5fc-cw56-hwp2", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow WRITE in card-oberthur. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0."}], "id": "CVE-2025-66215", "lastModified": "2026-03-30T18:16:18.350", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "LOW", "baseScore": 3.8, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 0.4, "impactScore": 3.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-30T18:16:18.350", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/OpenSC/OpenSC/commit/efd1d479832141bcf705c2f47655ada4d5f92f5d"}, {"source": "security-advisories@github.com", "url": "https://github.com/OpenSC/OpenSC/pull/3436"}, {"source": "security-advisories@github.com", "url": "https://github.com/OpenSC/OpenSC/security/advisories/GHSA-q5fc-cw56-hwp2"}, {"source": "security-advisories@github.com", "url": "https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66215"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}